You should be able to just double-click the "BFServerManager.exe" file and configure your server (be sure to save your settings). Then, hit the "Start" button (with the dedicated server console window closed), and the server should start.
Make sure you're using the following file...
2) That's the dedicated server window (the server's running). If you press the tilde (~) key, you can enter commands.
If you want an easier way to configure it, along with remote administration, visit http://www.blackbagops.com.
"We highly recommend Battlefield servers to be run on dedicated server platforms. Currently, the best performance is on a machine with the following specifications:
WinOS/800Mhz processor/256MB RAM/ADSL connection
WinOS/1Ghz processor/256MB RAM/T1 connection...
Did you download the full 1.45 patch or the incremental? If you downloaded the incremental, I suggest uninstalling the game, deleting your Battlefield folder, and then reinstalling. Also, make sure you have all the latest driver and system updates.